【Compatibility】Suitable for 12ft square, 13ft round, 10x12ft and 10x13ft cantilever umbrella.
【High Weight Capacity】 Water and sand can both be injected, the total weight is about 330 lbs with fully injected, so your patio umbrella won't tip over in heavy winds.
【Durable Material】 Made of heavy-duty plastic that are weather resistant, UV protected and waterproof.
【Easy-to-fill】 Each plate is built with a water port and screw cap, which allows for easy filling and emptying of the base.
【Location Flexibility】 Use it anywhere, you can put your offset umbrella in any location you want with our cantilever umbrella base. It gives you the security and safety that it will support the umbrella in any location.